Lenovo A1900 official Pictures. Lenovo A1900 is a Smartphone of lenovo. The Lenovo A1900 Android Smartphone. Announced Apr 2015. Features 4.0″ Display, Spreadtrum SC7730 Chipset, 2 MP Primary Camera, 1500 MAh Battery, 4 GB Storage, 512 MB RAM. Lenovo A1900 price starts.